v2.8.1

• chore: increase the strict min version on firefox
• fix: enhance url validation
• fix: enhance url to regex transformation
• chore: enhance unit tests
• chore(dependencies): revert evergreen-ui to an older release
• fix(#99, #100): allow valid urls to be added in blacklist/whitelist
• chore: update unit tests snapshots
• fix(#101): popup display issue in firefox
• fix: sass deprecations
• chore: update dependencies to fix some vulnerabilities
• fix(#85): use an empty blacklist/whitelist by default
• feat: updating the French translation by @pioupia